SolarWindow Registers 25.16M Shares for Resale After Private Placements

TL;DR

**WNDW's S-1 filing for 25M+ resale shares is a red flag for dilution and liquidity, signaling a high-risk bet on a pre-revenue solar tech company.**

AI Summary

SolarWindow Technologies, Inc. (WNDW) filed an S-1 on October 9, 2025, to register 25,161,292 shares of common stock for resale by selling stockholders. These shares stem from concurrent domestic and offshore private placements consummated on June 16, 2025, where 4,516,130 units and 8,064,516 units were sold at $0.31 per unit, each including one common share and one Series U or U-OS Warrant. The warrants are exercisable at $0.47 per share, potentially generating an aggregate of $5,912,904 for the company, which it intends to use for general corporate purposes, including working capital. WNDW is a pre-revenue company developing "LiquidElectricity® Coatings" for transparent electricity generation on various surfaces, including glass and flexible plastics, with development ongoing at the U.S. Department of Energy's NREL. The company's common stock trades on the OTCID market, closing at $0.65 per share on October 8, 2025. The offering involves a high degree of risk, as highlighted in the filing's 'Risk Factors' section.

Why It Matters

This S-1 filing signals a potential increase in WNDW's public float as selling stockholders prepare to offload over 25 million shares, which could exert downward pressure on the stock price currently trading at $0.65 on the OTCID. For investors, this means increased liquidity but also dilution risk and potential volatility. Employees and customers might see this as a step towards broader market exposure, but the company remains pre-revenue, indicating a long path to commercialization. In the competitive renewable energy sector, WNDW's LiquidElectricity® Coatings technology, if successful, could disrupt traditional solar applications, but its pre-revenue status and reliance on warrant exercises for working capital underscore significant operational and financial hurdles.

Risk Assessment

Risk Level: high — The filing explicitly states, "The purchase of the Resale Shares offered through this prospectus involves a high degree of risk." This is further evidenced by the company's pre-revenue status, meaning it has no current income streams from its core business, and its reliance on potential warrant exercises for working capital, which may or may not materialize to the full $5,912,904.

Analyst Insight

Investors should exercise extreme caution and conduct thorough due diligence before considering WNDW. Given the pre-revenue status and the significant number of shares registered for resale, potential investors should wait for clear signs of commercialization, revenue generation, and a more stable financial outlook before committing capital.

Financial Highlights

debt To Equity

N/A

revenue

$0

operating Margin

N/A

total Assets

N/A

total Debt

N/A

net Income

N/A

eps

N/A

gross Margin

N/A

cash Position

N/A

revenue Growth

N/A

Key Numbers

• 25,161,292 — Shares of Common Stock (Number of shares registered for resale by selling stockholders)
• $0.31 — Private Placement Unit Price (Price at which units were sold in the June 16, 2025 private placements)
• $0.47 — Warrant Exercise Price (Price at which Series U and U-OS Warrants are exercisable)
• $5,912,904 — Potential Warrant Exercise Proceeds (Aggregate proceeds the company may receive from cash exercise of all warrants)
• $0.65 — Common Stock Closing Price (Closing price on OTCID on October 8, 2025)
• 1998 — Year of Incorporation (Company was incorporated in Nevada on May 5, 1998)
• 2025-10-09 — S-1 Filing Date (Date the S-1 registration statement was filed with the SEC)
• 2025-06-16 — Private Placement Date (Date the concurrent domestic and offshore private placements were consummated)

Key Players & Entities

• SolarWindow Technologies, Inc. (company) — Registrant and developer of LiquidElectricity® Coatings
• Amit Singh (person) — President and Chief Executive Officer of SolarWindow Technologies, Inc.
• U.S. Securities and Exchange Commission (regulator) — Regulatory body for the S-1 filing
• U.S. Department of Energy’s National Renewable Energy Laboratory (company) — Research institution collaborating on LiquidElectricity® Coatings development
• Sierchio Law LLP (company) — Legal counsel for the registrant
• Joseph Sierchio, Esq. (person) — Attorney at Sierchio Law LLP
• $0.001 (dollar_amount) — Par value per share of Common Stock
• $0.31 (dollar_amount) — Price per unit in the Private Placements
• $0.47 (dollar_amount) — Exercise price per share for Series U and U-OS Warrants
• $0.65 (dollar_amount) — Closing price of Common Stock on OTCID on October 8, 2025

FAQ

Risk Factors

• Lack of Financing for Development [high — financial]: The company faces risks of delays or discontinuation of research and product development due to insufficient financing. As an early-stage, pre-revenue company, securing adequate funding is critical for ongoing operations and product commercialization.
• Inability to Obtain Regulatory Approvals [high — regulatory]: There is a risk that the company may be unable to obtain necessary regulatory approvals to market its products. This could significantly hinder or prevent the commercialization of its LiquidElectricity® Coatings.
• Dependence on Third-Party Collaborators [medium — operational]: The company relies on third-party collaborators, including the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) and commercial contract firms, for research and development. Disruption or failure of these collaborations could impede progress.
• Unforeseen Safety Issues [medium — operational]: Potential unforeseen safety issues relating to the LiquidElectricity® Coatings products could arise, impacting market acceptance and regulatory approval.
• Early-Stage Company Risks [high — market]: As an early-stage company with a limited history of operations, SolarWindow Technologies is subject to numerous risks inherent in such ventures, including market acceptance, competition, and scalability challenges.
• Reliance on Private Placements [medium — financial]: The company has recently completed private placements to raise capital, indicating a reliance on such funding mechanisms. Future capital needs may require further dilutive financing or debt, impacting existing shareholders.
• Technology Commercialization Uncertainty [high — market]: The success of the LiquidElectricity® Coatings is dependent on the company's ability to successfully commercialize its proprietary technology. Market adoption and competitive pressures in the solar energy sector pose significant challenges.
• Resale of Shares by Selling Stockholders [medium — legal]: The S-1 filing registers a significant number of shares (25,161,292) for resale by selling stockholders. This could lead to increased selling pressure on the stock, potentially depressing its market price.

Industry Context

SolarWindow Technologies operates in the rapidly evolving renewable energy sector, specifically focusing on transparent photovoltaic technology. The broader solar industry is characterized by increasing demand for clean energy solutions, driven by environmental concerns and government incentives. However, it is also highly competitive, with established players and emerging technologies vying for market share. Innovations in materials science and manufacturing processes are key differentiators.

Regulatory Implications

The company's development and commercialization of its LiquidElectricity® Coatings are subject to various regulatory hurdles. Obtaining necessary certifications and approvals for new energy-generating products is crucial. Furthermore, compliance with environmental regulations and safety standards will be paramount for market acceptance and widespread adoption.

What Investors Should Do

1. Review 'Risk Factors' section thoroughly.
2. Monitor warrant exercise activity.
3. Assess competitive landscape and technological differentiation.
4. Evaluate the company's ability to secure future funding.
5. Consider the impact of selling stockholder activity.

Key Dates

• 1998-05-05: Company Incorporation — Marks the establishment of SolarWindow Technologies, Inc. (originally Octillion Corp.) in Nevada.
• 2015-03-09: Name Change to SolarWindow Technologies, Inc. — Reflects the company's strategic focus on solar energy technology.
• 2025-06-16: Private Placements Consummated — Raised capital through the sale of units, each including a common share and a warrant, indicating funding for operations and development.
• 2025-10-09: S-1 Filing Date — Registered 25,161,292 shares for resale by selling stockholders, providing liquidity for early investors and potentially increasing market supply.
• 2025-10-08: Common Stock Closing Price — The stock closed at $0.65 on the OTCID market, providing a recent valuation reference point.

Glossary

S-1 Filing

A registration statement filed with the SEC by companies planning to offer securities to the public. It contains detailed information about the company's business, financial condition, and risks. (This filing allows for the resale of shares by existing stockholders and provides investors with comprehensive information about SolarWindow Technologies.)

LiquidElectricity® Coatings

SolarWindow's proprietary transparent coatings that generate electricity from light, designed to be applied to surfaces like glass and plastics. (This is the core technology the company is developing and aims to commercialize.)

Resale Shares

Shares of common stock that are being registered for sale by existing stockholders, rather than being offered by the company itself. (The S-1 filing is primarily for the resale of these shares, impacting the available supply in the market.)

Private Placement

A sale of securities directly to a select group of investors, typically institutional or accredited investors, rather than through a public offering. (The company raised capital through private placements, which are often used by early-stage companies.)

Warrant

A security that gives the holder the right, but not the obligation, to purchase a company's stock at a specified price (exercise price) before a certain expiration date. (Warrants were issued as part of the private placement units and could provide additional capital to the company if exercised.)

OTCID Market

A market for over-the-counter trading of securities, often for smaller or less regulated companies compared to major exchanges. (SolarWindow Technologies' common stock trades on this market, which can imply higher volatility and lower liquidity.)

CRADA

Cooperative Research and Development Agreement. An agreement between a U.S. government entity (like NREL) and a non-federal entity to work together on research and development. (Indicates collaboration with a reputable research institution for product development.)

Year-Over-Year Comparison

As this is an S-1 filing primarily for resale of shares from private placements, a direct year-over-year comparison of financial metrics like revenue growth or margin changes is not applicable. The filing focuses on the registration of shares and the company's pre-revenue development stage. New risks related to the resale of a large block of shares and the ongoing reliance on external funding for development are prominent.

Key Financial Figures

• $0.001 — res ”) of common stock, par value $0.001 per share (the “ Common Stock &rd
• $0.31 — ompany’s securities at a price of $0.31 per unit, each unit consisting of one s
• $0.47 — nal share of Common Stock at a price of $0.47and (ii) the offer and sale of 8,064,516
• $5,912,904 — l to $0.47 per share or an aggregate of $5,912,904. We intend to use the net proceeds of s
• $0.65 — mon Stock, as reported on the OTCID was $0.65 per share. The Selling Stockholders, or

Filing Documents

• s1_100825.htm (S-1) — 675KB
• exh_51.htm (EX-5.1) — 1KB
• exh_232.htm (EX-23.2) — 3KB
• exh_107.htm (EX-FILING FEES) — 30KB
• logo.jpg (GRAPHIC) — 6KB
• 0001171843-25-006379.txt ( ) — 837KB
• exh_107_htm.xml (XML) — 5KB

RISK FACTORS

RISK FACTORS 8 SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS 33

USE OF PROCEEDS

USE OF PROCEEDS 33 DETERMINATION OF OFFERING PRICE 33 MARKET PRICE OF AND DIVIDENDS ON OUR COMMON STOCK AND RELATED STOCKHOLDER MATTERS 34 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS 36 DESCRIPTION OF OUR BUSINESS AND PROPERTY 42 DIRECTORS, EXECUTIVE OFFICERS AND CONTROL PERSONS 48

EXECUTIVE COMPENSATION

EXECUTIVE COMPENSATION 53

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT 55 TRANSACTIONS WITH RELATED PERSONS, PROMOTERS AND CERTAIN CONTROL PERSONS 56 DESCRIPTION OF OUR SECURITIES 58 THE SELLING STOCKHOLDERS 60 PLAN OF DISTRIBUTION 62 DISCLOSURE OF COMMISSION POSITION ON INDEMNIFICATION FOR SECURITIES LAW VIOLATIONS 63 LEGAL MATTERS 64 EXPERTS 65 ABOUT THIS PROSPECTUS This prospectus is part of a registration statement that we filed on Form S-1 with the Securities and Exchange Commission and describes the general manner in which the Selling Stockholders may offer from time to time up to 25,161,292 Resale Shares. You should rely only on the information contained in this prospectus and the related exhibits, any prospectus supplement or amendment thereto and the documents incorporated by reference, or to which we have referred you, before making your investment decision. Neither we nor the Selling Stockholders have authorized anyone to provide you with different information. If anyone provides you with different or inconsistent information, you should not rely on it. This prospectus and any prospectus supplement or amendments thereto do not constitute an offer to sell, or a solicitation of an offer to purchase, the Resale Shares offered by this prospectus and any prospectus supplement or amendments thereto in any jurisdiction to or from any person to whom or from whom it is unlawful to make such offer or solicitation of an offer in such jurisdiction. You should not assume that the information contained in this prospectus or any prospectus supplement or amendments thereto, as well as information we have previously filed with the U.S. Securities and Exchange Commission (the “ SEC ”), is accurate as of any date other than the date on the front cover of the applicable document. This prospectus contains, and any post-effective amendment or any prospectus supplement may contain, market data and industry statistics and forecasts that are

financial statements and the accompanying notes included in our Quarterly Report, each incorporated by reference herein

financial statements and the accompanying notes included in our Quarterly Report, each incorporated by reference herein. Our Company We were incorporated in the State of Nevada on May 5, 1998, under the name “Octillion Corp.” On December 2, 2008, we amended our Articles of Incorporation to effect a change of name to New Energy Technologies, Inc. Effective as of March 9, 2015, we amended our Articles of Incorporation to change our name to SolarWindow Technologies, Inc. 3 We are a pre-revenue company developing proprietary transparent electricity-generating coatings and methods for application to various materials which we refer to as “LiquidElectricity ® Coatings”. Our LiquidElectricity® Coatings generate electricity by harvesting light energy from natural sun, artificial light, and low, shaded, or reflected light conditions. We apply ultra-thin layers of LiquidElectricity® Coatings to rigid glass, and flexible glass and plastic surfaces where they transform otherwise ordinary surfaces into organic photovoltaic devices, commonly known as solar cells, or solar modules. Our LiquidElectricity® is a framework which utilizes chemistry for different ultra-thin layers applied to a substrate. These layers include hole transport layers, active layers, electron transport layers, and conductive contact points for transmission of electricity. We have developed specialty expertise in each layer of our LiquidElectricity® to optimize power, optical clarity, manufacturability, stability, and other qualities. The flexibility engineered into our LiquidElectricity® framework allows us to target a variety of potential off-grid energy solutions spanning multiple industries, including architectural, automotive, agrivoltaics (agricultural greenhouse), aerospace, commercial transportation and marine. Our LiquidElectricity® Coatings are under development at one of the most respected and advanced solar-photovoltaic research institut

Risk Factors

Risk Factors Our business operations are subject to numerous risks, including the risk of delays in or discontinuation of our research and product development due to lack of financing, inability to obtain necessary regulatory approvals to market the products, unforeseen safety issues relating to the products and dependence on third party collaborators to conduct research and development of the products. Because we are an early-stage company with a limited history of operations, we are also subject to many risks associated with early-stage companies. For a more detailed discussion of some of the risks you should consider, you are urged to carefully review and consider the sections entitled “Risk Factors”(page 8) and “Special Note Regarding Forward-Looking Statements”(page 33) and the sections entitled “Risk Factors,” “Cautionary Note Regarding Forward-Looking Statements” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our audited consolidated historical financial statements and the accompanying notes included in our Annual Report and our unaudited condensed consolidated historical financial statements and the accompanying notes included in our Quarterly Report, each inc

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